TWI789778B - Camera module and electronic device - Google Patents

Abstract

A camera module has an optical axis and an optical curved surface through which the optical axis passes. The camera module includes a fixed component, an optical folding component, a first imaging unit, a second imaging unit and a first driving device. The optical folding component is disposed on the fixed component. The optical folding component has a reflection surface that refracts the optical axis, and the optical curved surface is disposed at an object side of the reflection surface. The first imaging unit is disposed at an image side of the optical folding component. The first imaging unit includes a first lens carrier and a first optical imaging lens assembly accommodated in the first lens carrier. The second imaging unit is disposed between the optical folding component and the first lens carrier of the first imaging unit. The second imaging unit includes a second lens carrier fixed on the fixed component and a second optical imaging lens assembly accommodated in the second lens carrier. The first driving device move the first lens carrier along the optical axis with respect to the fixed component. The first driving device includes a first driving magnet disposed on the first lens carrier and a first driving coil corresponding to the first driving magnet. The optical curved surface is an object-side surface of the optical folding component. The optical folding component has positive refractive power through the optical curved surface.

Description

Camera Modules and Electronic Devices

The invention relates to a camera module and an electronic device, in particular to a camera module suitable for the electronic device.

With the improvement of semiconductor process technology, the performance of electronic photosensitive elements has been improved, and the size of pixels can reach a smaller size. Therefore, optical lenses with high imaging quality have become an indispensable part. In addition, with the rapid development of technology, the application range of mobile phone devices equipped with optical lenses is wider, and the requirements for optical lenses are also more diverse.

In recent years, electronic products have become thinner and lighter, but traditional optical lenses have been difficult to meet the demands of miniaturization and high imaging quality at the same time, especially telephoto lenses. The known telephoto lens has disadvantages such as high current consumption and low moving efficiency, so it cannot meet the current market demand. Therefore, how to improve the current consumption and movement efficiency of the telephoto lens to meet the high-standard requirements of electronic devices has become an important issue in related fields.

In view of the problems mentioned above, the present invention discloses a camera module and an electronic device, which help to reduce current consumption and thereby improve movement efficiency.

A camera module disclosed in an embodiment of the present invention has an optical axis and an optical curved surface. The optical axis passes through the optical surface. The camera module includes a fixing part, an optical turning element, a first imaging unit, a second imaging unit and a first driving device. The optical turning element is arranged on the fixing part. The optical turning element has a reflective surface. The reflective surface is used to bend the optical axis, and the optical curved surface is arranged on the object side of the reflective surface. The first imaging unit is arranged on the image side of the optical turning element. The first imaging unit includes a first lens carrier and a first optical imaging lens group. The first optical imaging lens group is accommodated in the first lens carrier. The second imaging unit is arranged between the optical turning element and the first lens carrier of the first imaging unit. The second imaging unit includes a second lens carrier and a second optical imaging lens group. The second lens carrier is fixed on the fixture. The second optical imaging lens group is accommodated in the second lens carrier. The first driving device drives the first lens carrier to move relative to the fixing member along the optical axis. The first driving device includes a first driving magnet and a first driving coil. The first driving magnet is disposed on the first lens carrier. The first driving coil corresponds to the first driving magnet. The optical curved surface is the object-side surface of the optical turning element, and the optical turning element has positive refractive power through the optical curved surface. The number of lenses of the first optical imaging lens group is N1, the number of lenses of the second optical imaging lens group is N2, and the total number of lenses of the camera module is Nt, which meets the following conditions:

N1 < N2; and

N1+N2<Nt.

The camera module disclosed in another embodiment of the present invention has an optical axis and an optical curved surface. The optical axis passes through the optical surface. The camera module includes a fixing part, an optical turning element, a first imaging unit, a second imaging unit and a first driving device. The optical turning element is arranged on the fixing part. The optical turning element has a reflective surface. The reflective surface is used to bend the optical axis, and the optical curved surface is arranged on the object side of the reflective surface. The first imaging unit is arranged on the image side of the optical turning element. The first imaging unit includes a first lens carrier and a first optical imaging lens group. The first optical imaging lens group is accommodated in the first lens carrier. The second imaging unit is arranged between the optical turning element and the first lens carrier of the first imaging unit. The second imaging unit includes a second lens carrier and a second optical imaging lens group. The second lens carrier is fixed on the fixing part, and the second optical imaging lens group is accommodated in the second lens carrier. The first driving device includes a first driving magnet, a first driving coil and at least two position sensing elements. The first driving magnet is disposed on the first lens carrier. The first driving coil corresponds to the first driving magnet, so that the first lens carrier can move relative to the fixing part along the optical axis. The at least two position sensing elements correspond to the first lens carrier. The distance between the center positions of the at least two position sensing elements in the direction parallel to the optical axis is DH, the movable distance of the first lens carrier along the optical axis relative to the fixed part is D, and the first optical The number of lenses in the imaging lens group is N1, the number of lenses in the second optical imaging lens group is N2, and the total number of lenses in the camera module is Nt, which meets the following conditions:

0.3 < DH/D < 9;

N1 < N2; and

N1+N2<Nt.

An electronic device disclosed in another embodiment of the present invention includes the aforementioned camera module and an electronic photosensitive element, wherein the electronic photosensitive element is disposed on an imaging surface of the camera module.

According to the camera module and electronic device disclosed in the above embodiments, by disposing an optical curved surface on the object side and dividing the lens into multiple imaging units, it is possible to drive only the imaging units with a small number of lenses at the image side. Achieve the effect of auto focus. The weight of the object to be moved can be reduced by driving the imaging unit with fewer lenses, so that the first driving device can consume lower driving current, so as to provide higher moving efficiency and reduce power consumption.

The above description of the content of the present invention and the following description of the implementation are used to demonstrate and explain the principle of the present invention, and provide further explanation of the patent application scope of the present invention.

The detailed features and advantages of the present invention are described in detail below in the implementation mode, and its content is enough to make any person familiar with the related art understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the scope of the patent application and the drawings , anyone skilled in the art can easily understand the purpose and advantages of the present invention. The following examples further describe the concepts of the present invention in detail, but do not limit the scope of the present invention in any way.

The invention provides a camera module, which has an optical axis and an optical curved surface. The optical axis passes through the optical surface. The camera module includes a fixing part, an optical turning element, a first imaging unit, a second imaging unit and a first driving device.

The fixing part may be a base or a housing, or a combination of the base and the housing, and the present invention is not limited thereto.

The optical turning element is arranged on the fixing part. The optical turning element has a reflective surface. The reflective surface is used to bend the optical axis, and the optical curved surface is arranged on the object side of the reflective surface. Wherein, the optical curved surface can be the object-side surface of the optical turning element, and the optical turning element has positive refractive power through the optical curved surface; thereby, the light-collecting ability of the camera module can be improved, and the volume of the camera module can be reduced. Please refer to FIG. 4 , which shows the object-side surface of the optical turning element 12 as the optical curved surface 102 according to the first embodiment of the present invention.

The optical turning element may be an integrally formed plastic part, or an assembly of a plastic lens bonded to a glass shell, or an assembly of a plastic lens bonded to a plastic shell, and the present invention is not limited thereto. Please refer to FIG. 4 , which shows the optical turning element 12 integrally molded by plastic injection according to the first embodiment of the present invention. Please refer to FIG. 16 , which shows an optical turning element 42 composed of a plastic lens PL bonded to a glass GP through an adhesive material AM according to the fourth embodiment of the present invention. Please refer to FIG. 17 , which shows an optical turning element 52 composed of a plastic lens PL bonded to a plastic lens PP through an adhesive material AM according to the fifth embodiment of the present invention.

The first imaging unit is located on the image side of the optical turning element. The first imaging unit includes a first lens carrier and a first optical imaging lens group. The first lens carrier is movably arranged on the fixing member. The first optical imaging lens group is accommodated in the first lens carrier.

The second imaging unit is arranged between the optical turning element and the first lens carrier of the first imaging unit. The second imaging unit includes a second lens carrier and a second optical imaging lens group. The second lens carrier is fixed on the fixture. The second optical imaging lens group is accommodated in the second lens carrier.

The first driving device includes a first driving magnet and a first driving coil. The first driving magnet is disposed on the first lens carrier. The first driving coil corresponds to the first driving magnet. Wherein, the first driving device can drive the first lens carrier to move relative to the fixed part along the optical axis; or in other words, the correspondence between the first driving coil and the first driving magnet enables the first lens carrier to move relative to the fixed part along the optical axis. The fixed part moves. The movement of the first lens carrier can drive the position of the first optical imaging lens group accommodated in it when focusing on a short distance (for example, the object distance is 1 meter) and focus on a long distance (for example, the object distance is infinite) Move relative to the fixed part along the optical axis between the time positions. Please refer to FIG. 5 , FIG. 9 and FIG. 13 , which respectively illustrate the first optical imaging lens groups 132 , 232 , 332 focusing at short distances according to the first to third embodiments of the present invention. Please refer to FIG. 6 , FIG. 10 and FIG. 14 , which respectively show the first optical imaging lens groups 132 , 232 , 332 focusing on the distance according to the first to third embodiments of the present invention.

Wherein, the number of the first driving magnet and the first driving coil can both be two, and both can be arranged symmetrically with respect to the optical axis; thereby, a weight-balanced configuration can be achieved to prevent the first lens carrier from tilting when moving. Wherein, the first driving device can further include at least two position sensing elements, which correspond to the first lens carrier; thereby, the position of the first lens carrier can be judged by a plurality of position sensing elements to achieve long-distance driving. loop control. Wherein, the at least two position sensing elements can also be used to detect the position of the first driving magnet, and can also be used to detect the position of the sensing magnet, but the present invention is not limited thereto. Wherein, the number of the at least two position sensing elements can be two, and the two position sensing elements can respectively correspond to the above-mentioned two first driving magnets; signal interference. Wherein, the number of the at least two position sensing elements can also be three, and the three position sensing elements can respectively correspond to the three sides of the first driving magnet; thereby, the position sensing elements can be configured as The position of the first lens carrier can be measured more accurately, so as to improve the focusing speed and provide better user experience.

The number of lenses in the first optical imaging lens group is N1, the number of lenses in the second optical imaging lens group is N2, and the total number of lenses in the camera module is Nt, which satisfy the following conditions: N1<N2; and N1+N2<Nt. It is worth noting that the lens of the camera module referred to in the present invention may include the above-mentioned optical turning element with refractive power and the lenses of each optical imaging lens group. Wherein, the number of lenses in the first optical imaging lens group can be less than or equal to two; thereby, autofocus can be performed with a small number of lenses, which helps to reduce manufacturing tolerances and improve product yield.

By disposing an optical curved surface on the object side and dividing the lens into multiple imaging units, the present invention can realize the effect of auto-focusing by only driving the imaging unit with a small number of lenses at the image side. The weight of the object to be moved can be reduced by driving the imaging unit with fewer lenses, so that the first driving device can consume lower driving current, so as to provide higher moving efficiency and reduce power consumption.

According to the camera module disclosed in the present invention, it may further include a sphere. The ball can be disposed between the first lens carrier and the fixing part, and the first lens carrier can achieve the above-mentioned movable configuration relative to the fixing part through the support of the ball; thus, the stability of long-distance driving can be provided.

According to the camera module disclosed in the present invention, it may further include a second driving device. The second driving device may include a second driving magnet, a second driving coil, an optical turning element carrier, a supporting part and an elastic connecting part, but the invention is not limited thereto. The second driving device can drive the optical turning element to rotate relative to the fixing part; thereby, the effect of optical image stabilization of the camera module can be provided.

According to the camera module disclosed in the present invention, it can further include a positive lens. The positive lens can be arranged on the object side of the optical turning element, and the optical curved surface can be one of the object side surface and the image side surface of the positive lens; thereby, the light collection ability of the camera module can be improved. Please refer to FIG. 12 , which shows the positive lens 30 disposed on the object side of the optical turning element 32 according to the third embodiment of the present invention, and the optical curved surface 302 is the object-side surface of the positive lens 30 .

In the at least two position sensing elements, the distance between their respective central positions in the direction parallel to the optical axis is DH, and the movable distance of the first lens carrier along the optical axis relative to the fixed part is D, which can satisfy The following conditions: 0.3 < DH/D < 9; thereby, the range interval for measuring the position of the first lens carrier on the optical axis can be effectively increased. Among them, the following conditions can also be met: 0.37 [mm] < DH < 4.5 [mm]; thus, a wider detection range and a stable signal interval range can be detected. Please refer to FIG. 5 and FIG. 7 , which are respectively schematic diagrams illustrating parameters D and DH according to the first embodiment of the present invention.

The movable distance of the first lens carrier relative to the fixed part along the optical axis is D, which can meet the following conditions: 0.2 [mm] ≤ D ≤ 2.0 [mm]; thereby, a long-distance driving space can be provided, and stable The focus state of the camera module. Among them, the following conditions can also be met: 0.4 [mm] ≤ D ≤ 1.5 [mm]; in this way, the image resolution of focusing on distant objects and near objects can be considered to provide a distance range for better optical imaging quality.

The maximum viewing angle of the camera module is FOV, which can satisfy the following conditions: 1 [degree] ≤ FOV ≤ 40 [degree]. Thereby, a telephoto camera module with a small viewing angle can be provided.

The total length of the first lens carrier in the direction of the optical axis is L, which can satisfy the following conditions: 1.0 [mm] < L < 4.0 [mm]. Thereby, the miniaturization of the camera module can be provided and the complexity of the mechanism can be reduced. Please refer to FIG. 5 , which is a schematic diagram illustrating the parameter L according to the first embodiment of the present invention.

All the technical features in the above-mentioned camera module of the present invention can be configured in combination to achieve corresponding effects.

The present invention also provides an electronic device, comprising any combination configuration of the technical features of the above-mentioned camera module and an electronic photosensitive element disposed on the imaging surface thereof.

According to the electronic device disclosed in the present invention, it may further include an optical image stabilization driver. The optical image stabilization driver is arranged on the electronic photosensitive element and can drive the electronic photosensitive element to move on a plane perpendicular to the optical axis. In this way, the effect of optical image stabilization can be achieved. Please refer to FIG. 18 , which shows an optical image stabilization driver OIS provided with an electronic photosensitive element IS6 according to the sixth embodiment of the present invention.

According to the above-mentioned implementation manners, specific embodiments are proposed below and described in detail with reference to the drawings.

<First embodiment>

Please refer to FIG. 1 to FIG. 7 , wherein FIG. 1 is a schematic perspective view of the electronic device according to the first embodiment of the present invention, FIG. 2 is a schematic exploded view of the electronic device in FIG. 1 , and FIG. 3 is a schematic view of the electronic device in FIG. An exploded schematic view of another viewing angle of the electronic device. FIG. 4 is a side sectional view of the electronic device in FIG. 1 . FIG. 5 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 4 when focusing at a short distance. FIG. 6 is a 4 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 4 when focusing on the distance, and FIG. 7 is a schematic diagram showing the relationship between the first driving magnet and the position sensing element of the electronic device in FIG. 1 .

In this embodiment, the electronic device E1 is, for example, an electronic product such as a mobile phone. The electronic device E1 includes a body (not shown), a camera module 1 and an electronic photosensitive element IS1. The body, for example, includes elements such as a casing, a computing unit, a power supply unit, and a storage unit, and the present invention is not limited thereto. The camera module 1 is arranged in the body. The camera module 1 has an optical axis 101 , an optical curved surface 102 and an imaging surface 103 . The optical axis 101 reaches the imaging surface 103 after passing through the optical curved surface 102 . The electronic photosensitive element IS1 is disposed on the imaging surface 103 and is, for example, electrically connected to a computing unit of the body.

The camera module 1 includes a fixing member 11, an optical turning element 12, a first imaging unit 13, a second imaging unit 14, a first driving device 15, a second driving device 16, a plurality of spheres 17 and a circuit element 18. The fixing part 11 includes a base 111 and a casing 112 . The casing 112 is disposed on the base 111, and forms an accommodating space (not otherwise labeled) with the base 111 for accommodating the optical turning element 12, the first imaging unit 13, the second imaging unit 14, the first driving device 15, The second driving device 16 , the ball 17 and the circuit element 18 .

The optical turning element 12 is a one-piece injection molding plastic part, and has a injection mark GT on its side. The optical turning element 12 is rotatably disposed on the base 111 of the fixing member 11 through the second driving device 16 . The optical curved surface 102 is the object-side surface of the optical deflection element 12 and is convex at the near optical axis, and the optical deflection element 12 has a positive refractive power due to the optical curve surface 102 . The optical turning element 12 has a reflective surface 121 . The reflective surface 121 is used to bend the optical axis 101 by 90 degrees, and the optical curved surface 102 is disposed on the object side of the reflective surface 121 .

The first imaging unit 13 is located on the image side of the optical turning element 12 . The first imaging unit 13 includes a first lens carrier 131 , a first optical imaging lens group 132 and a fixing ring 133 . The first lens carrier 131 is movably disposed on the base 111 of the fixing member 11 through the ball 17 . The first optical imaging lens group 132 is accommodated in the first lens carrier 131 . The fixing ring 133 fixes the first optical imaging lens group 132 in the first lens carrier 131 , and has a light-shielding effect and can be used as a light-shielding member of the first imaging unit 13 .

The second imaging unit 14 is disposed between the optical turning element 12 and the first lens carrier 131 of the first imaging unit 13 . The second imaging unit 14 includes a second lens carrier 141 and a second optical imaging lens group 142 . The second lens carrier 141 is fixed on the base 111 of the fixing member 11 . The second optical imaging lens group 142 is accommodated in the second lens carrier 141 .

The first driving device 15 includes two first driving magnets 151 , two first driving coils 152 and two position sensing elements 153 . The first driving magnet 151 is symmetrically disposed on opposite sides of the first lens carrier 131 with respect to the optical axis 101 . The first driving coils 152 are symmetrically disposed on the circuit element 18 with respect to the optical axis 101 and located on opposite sides of the accommodating space, and respectively correspond to the first driving magnets 151 . For example, there may be electromagnetic interaction between the first driving coil 152 of the first driving device 15 and the first driving magnet 151 to generate electromagnetic force, thereby driving the first lens carrier 131 to move relative to the fixing member 11 along the optical axis 101 . The movement of the first lens carrier 131 can drive the position P1 of the first optical imaging lens group 132 contained therein when focusing on the short distance (as shown in FIG. 5 ) and the position P2 when focusing on the long distance (as shown in FIG. 5 ). 6) along the optical axis 101 and move relative to the fixing member 11. The position sensing element 153 is symmetrically disposed on opposite sides of the base 111 with respect to the optical axis 101, and the position sensing element 153 corresponds to the first lens carrier 131 and is respectively adjacent to the first driving magnet 151 to detect the first driving The position of the magnet 151 .

The second driving device 16 may include four second driving magnets 161 , four second driving coils 162 , an optical turning element carrier 163 , a supporting member 164 and an elastic connecting member 165 . The second driving magnet 161 is disposed on the optical turning element carrier 163 . The second driving coils 162 are disposed on the circuit element 18 and located in the accommodating space, and respectively correspond to the second driving magnets 161 . The optical turning element carrier 163 is disposed on the base 111 through the supporting member 164 and the elastic connecting member 165 , and the optical turning element 12 is disposed on the optical turning element carrier 163 . The support member 164 is, for example, spherical and disposed between the base 111 and the optical deflection element carrier 163. The optical deflection element 12 and the optical deflection element carrier 163 can rotate relative to the base 111 of the fixing member 11 by abutting against the support member 164, In addition, the reflective surface 121 can be rotated to fine-tune the orientation of the optical axis 101 . For example, there may be electromagnetic interaction between the second drive coil 162 of the second drive device 16 and the second drive magnet 161 to generate electromagnetic force, so as to drive the optical deflection element carrier 163 and the optical deflection element 12 arranged thereon to be relatively fixed. Part 11 rotates. The elastic connecting member 165 is disposed between the base 111 and the optical turning element carrier 163 . The elastic connecting member 165 has, for example, an elastic restoring force to provide a driving force for the rotated optical turning element carrier 163 to return to its original position.

The ball 17 has a spherical shape and is disposed between the first lens carrier 131 and the base 111 of the fixing member 11 , and the first lens carrier 131 is supported by the ball 17 to achieve the above-mentioned movable configuration relative to the fixing member 11 .

The circuit element 18 is disposed on the base 111 and is electrically connected to the computing unit and the power supply unit of the body, for example. The circuit element 18 is also electrically connected to the first driving coil 152 and the second driving coil 162 to provide electric power for the electromagnetic interaction between the first driving coil 152 and the second driving coil 162 .

The total number of lenses of the camera module 1 is Nt, the number of lenses of the first optical imaging lens group 132 is N1, and the number of lenses of the second optical imaging lens group 142 is N2, which satisfy the following conditions: N1=1; N2=3; Nt=5; N1<N2; and N1+N2<Nt, wherein the total number of lenses of the camera module 1 includes the single lens of the first optical imaging lens group 132 and the three lenses of the second optical imaging lens group 142 , also includes an optical turning element 12 with positive refractive power. It should be noted that the respective lenses of the first optical imaging lens group 132 and the second optical imaging lens group 142 are only partially outlined in the figure, but the lens shapes drawn in the figure are not intended to limit the present invention.

The distance between the respective geometric center positions of the position sensing elements 153 in the direction parallel to the optical axis 101 is DH, and the movable distance of the first lens carrier 131 along the optical axis 101 relative to the fixed member 11 (that is, the distance between the position P1 and the position P2 spacing) is D, which satisfies the following conditions: DH = 1.219 [mm]; D = 0.8 [mm]; and DH/D = 1.52. It should be noted that the viewing angle of FIG. 7 is viewed from the direction AA in FIG. The element 153 does not cover another position sensing element 153 .

The maximum viewing angle of camera module 1 is FOV, which satisfies the following condition: FOV = 18.6 [degrees].

The total length of the first lens carrier 131 in the direction of the optical axis 101 is L, which satisfies the following condition: L=2.403 [mm].

An imaging ray (not shown) generated near or far from the electronic device E1 can travel along the optical axis 101, pass through the optical curved surface 102 and then enter the optical turning element 12, and after being reflected by the reflective surface 121, travel along the optical axis 101 Pass through the second optical imaging lens group 142 and the first optical imaging lens group 132 in sequence. Since the first lens carrier 131 can be driven to move relative to the fixed part 11 between the second lens carrier 141 and the electronic photosensitive element IS1, no matter the imaging light from near or far away can be passed through the moved first The optical imaging lens group 132 is adjusted to focus on the imaging surface 103 to generate optical imaging information. The electronic photosensitive element IS1 converts the optical imaging information into electronic imaging information, and for example transmits the electronic imaging information to the computing unit for subsequent image processing.

<Second embodiment>

Please refer to FIG. 8 to FIG. 11 , wherein FIG. 8 is a side sectional view of an electronic device according to a second embodiment of the present invention, and FIG. 9 is a diagram showing the position of the camera module of the electronic device in FIG. 8 when focusing at a short distance Schematic diagram, FIG. 10 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 8 when focusing on the distance, and FIG. 11 is a schematic diagram showing the relationship between the first driving magnet and the position sensing element of the electronic device in FIG. 8 . In the following, only the differences between the second embodiment of the present invention and the foregoing embodiments will be described, and other similarities will be omitted.

The total number of lenses of the camera module 2 is Nt, the number of lenses of the first optical imaging lens group 232 is N1, and the number of lenses of the second optical imaging lens group 242 is N2, which satisfy the following conditions: N1=2; N2=4; Nt=7; N1<N2; and N1+N2<Nt, wherein the total number of lenses of the camera module 2 includes two lenses of the first optical imaging lens group 232 and four lenses of the second optical imaging lens group 242 , also includes an optical turning element 22 with positive refractive power. It is worth noting that the lenses of the first optical imaging lens group 232 and the second optical imaging lens group 242 are only partially outlined in the figure, but the lens shapes drawn in the figure are not intended to limit the present invention.

The distance between the respective geometric center positions of the position sensing elements 253 in the direction parallel to the optical axis 201 is DH, and the movable distance of the first lens carrier 231 along the optical axis 201 relative to the fixed member 21 (that is, the distance between the position P1 and the position P2 spacing) is D, which satisfies the following conditions: DH = 4.1 [mm]; D = 0.5 [mm]; and DH/D = 8.2.

The maximum viewing angle of camera module 2 is FOV, which satisfies the following condition: FOV = 21.8 [degrees].

The total length of the first lens carrier 231 in the direction of the optical axis 201 is L, which satisfies the following condition: L=2.775 [mm].

An imaging ray (not shown) generated near or far from the electronic device E2 can travel along the optical axis 201, pass through the optical curved surface 202 and then enter the optical turning element 22, and after being reflected by the reflective surface 221, travel along the optical axis 201 Pass through the second optical imaging lens group 242 and the first optical imaging lens group 232 in sequence. Since the first lens carrier 231 can be driven to move relative to the fixed part 21 between the second lens carrier 241 and the electronic photosensitive element IS2, no matter the imaging light from near or far away can be passed through the moved first The optical imaging lens group 232 is adjusted to focus on the imaging surface 203 to generate optical imaging information. The electronic photosensitive element IS2 converts the optical imaging information into electronic imaging information for subsequent image processing.

<Third Embodiment>

Please refer to FIG. 12 to FIG. 15 , wherein FIG. 12 is a side sectional view of an electronic device according to a third embodiment of the present invention, and FIG. 13 is a position of the camera module of the electronic device in FIG. 12 when focusing at a short distance Schematic diagram, FIG. 14 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 12 when focusing on the distance, and FIG. 15 is a schematic diagram showing the relationship between the first driving magnet and the position sensing element of the electronic device in FIG. 12 . The following only describes the differences between the third embodiment of the present invention and the foregoing embodiments, and the other similarities will be omitted.

The camera module 3 further includes a positive lens 30 and a third imaging unit 39 . The optical curved surface 302 in this embodiment is not any surface of the optical turning element 32 , but the object-side surface of the positive lens 30 . The optical curved surface 302 is convex at the near optical axis, and the positive lens 30 has positive refractive power through the optical curved surface 302 . The camera module 3 also includes a fourth lens carrier (not otherwise labeled). The fourth lens carrier is disposed outside the casing 312 . The positive lens 30 is located on the object side of the optical deflection element 32 and accommodated in the fourth lens carrier so that the positive lens 30 and the fourth lens carrier can be regarded as a fourth imaging unit (not otherwise labeled).

The third imaging unit 39 is disposed between the first imaging unit 33 and the first lens carrier 331 of the second imaging unit 34 . The third imaging unit 39 includes a third lens carrier 391 and a third optical imaging lens group 392 . The third lens carrier 391 is fixed on the base 311 of the fixing member 31 . The third optical imaging lens group 392 is accommodated in the third lens carrier 391 .

The number of position sensing elements 353 is three. The position sensing element 353 corresponds to the first lens carrier 331 and is adjacent to three sides of the first driving magnet 351 to detect the position of the first driving magnet 351 .

The total number of lenses in the camera module 3 is Nt, the number of lenses in the first optical imaging lens group 332 is N1, the number of lenses in the second optical imaging lens group 342 is N2, and the number of lenses in the third optical imaging lens group 392 is N3. It satisfies the following conditions: N1=1; N2=2; N3=1; Nt=5; N1<N2; and N1+N2<Nt, wherein the total number of lenses of the camera module 3 includes the first optical imaging lens group 332 In addition to the single-piece lens of the second optical imaging lens group 342 and the single-piece lens of the third optical imaging lens group 392, a positive lens 30 with positive refractive power is also included. It should be noted that the respective lenses of the first optical imaging lens group 332, the second optical imaging lens group 342, and the third optical imaging lens group 392 are only represented by partial contour lines in the illustration, but outside the drawn lenses The type is not intended to limit the present invention.

The distance between the respective geometric center positions of the position sensing elements 353 in the direction parallel to the optical axis 301 is DH, and the movable distance of the first lens carrier 331 along the optical axis 301 relative to the fixed member 31 (that is, the distance between the position P1 and the position P2 spacing) is D which satisfies the following conditions: DH = 1.75 and 3.5 [mm]; D = 1 [mm]; and DH/D = 1.75 and 3.5.

The maximum viewing angle of the camera module 3 is FOV, which satisfies the following condition: FOV = 28.3 [degrees].

The total length of the first lens carrier 331 in the direction of the optical axis 301 is L, which satisfies the following condition: L=2.343 [mm].

An imaging ray (not shown) generated near or far from the electronic device E3 can travel along the optical axis 301, pass through the optical curved surface 302, pass through the positive lens 30 and enter the optical deflection element 32, and be reflected by the reflective surface 321 , passing through the second optical imaging lens group 342 , the third optical imaging lens group 392 and the first optical imaging lens group 332 in sequence along the optical axis 301 . Since the first lens carrier 331 can be driven to move relative to the fixed part 31 between the third lens carrier 391 and the electronic photosensitive element IS3, no matter the imaging light from near or far away can be transmitted by the moved first lens carrier 391 The optical imaging lens group 332 is adjusted to focus on the imaging surface 303 to generate optical imaging information. The electronic photosensitive element IS3 converts the optical imaging information into electronic imaging information for subsequent image processing.

<Fourth embodiment>

Please refer to FIG. 16 , which is a side view of an optical turning element of an electronic device according to a fourth embodiment of the present invention. In the following, only the differences between the fourth embodiment of the present invention and the foregoing embodiments will be described, and the rest of the similarities will be omitted. This embodiment provides a specific aspect of the optical turning element, which can be mounted on the camera module of any embodiment of the present invention.

The optical turning element 42 is an assembly in which a plastic lens PL is glued on the object side of a glass lens PL through an adhesive material AM. The optical curved surface 402 in this embodiment is the object-side surface of the plastic lens PL. The optical curved surface 402 is convex at the near optical axis, and the optical turning element 42 has a positive refractive power due to the optical curved surface 402 .

<Fifth Embodiment>

Please refer to FIG. 17 , which is a side view of an optical turning element of an electronic device according to a fifth embodiment of the present invention. In the following, only the differences between the fifth embodiment of the present invention and the foregoing embodiments will be described, and the rest of the similarities will be omitted. This embodiment provides a specific aspect of the optical turning element, which can be mounted on the camera module of any embodiment of the present invention.

The optical turning element 52 is an assembly in which a plastic lens PL' is bonded on the object side of a plastic lens PL' through an adhesive material AM. The optical curved surface 502 of this embodiment is the object-side surface of the plastic lens PL'. The optical curved surface 502 is a convex surface at the near optical axis, and the optical turning element 52 has a positive refractive power due to the optical curved surface 502 .

<Sixth embodiment>

Please refer to FIG. 18 , which is a side sectional view of an electronic device according to a sixth embodiment of the present invention. In the following, only the differences between the sixth embodiment of the present invention and the previous embodiments will be described, and the rest of the similarities will be omitted.

The electronic device E6 includes a body (not shown), a camera module 6 , an electronic photosensitive element IS6 and an optical image stabilization driver OIS. The camera module 6 is arranged in the body. The camera module 6 has an optical axis 601 , an object-side optical curved surface 602 a , an image-side optical curved surface 602 b and an imaging surface 603 . The optical axis 601 reaches the imaging surface 603 after passing through the object-side optical curved surface 602 a and the image-side optical curved surface 602 b. The electronic photosensitive element IS6 is disposed on the imaging surface 603 . The optical image stabilization driver OIS is disposed on the electronic photosensitive element IS6 to drive the electronic photosensitive element IS6 to move on a plane parallel to the imaging surface 603 .

The camera module 6 includes a fixing piece (not shown in this embodiment), an object-side optical turning element 62a, an image-side optical turning element 62b, a first imaging unit 63, a second imaging unit 64, a first A driving device (not shown in this embodiment), a plurality of spheres (not shown in this embodiment) and a circuit element (not shown in this embodiment). The fixing part forms an accommodating space for accommodating the object-side optical turning element 62a, the image-side optical turning element 62b, the first imaging unit 63, the second imaging unit 64, the first driving device, the ball and the circuit components.

Both the object-side optical turning element 62 a and the image-side optical turning element 62 b are fixed on the fixing member, and are respectively disposed on the object side of the second imaging unit 64 and the image side of the first imaging unit 63 . The object-side optical curved surface 602a is the object-side surface of the object-side optical turning element 62a and is convex at the near optical axis, and the object-side optical turning element 62a has positive refractive power through the object-side optical bending surface 602a. The object-side optical turning element 62a has an object-side reflective surface 621a. The object-side reflective surface 621 a is located on the image side of the object-side optical curved surface 602 a and is used to bend the optical axis 601 by 90 degrees.

The image-side optical curved surface 602b is the image-side surface of the image-side optical turning element 62b and is convex at the near optical axis, and the image-side optical turning element 62b has positive refractive power through the image-side optical bending surface 602b. The image-side optical turning element 62b has an image-side reflective surface 621b. The image-side reflective surface 621b is located on the object side of the image-side optical curved surface 602b and is used to bend the optical axis 601 by 90 degrees again. It should be noted that the camera module 6 of this embodiment does not include a driving device for driving the optical turning elements because the object-side optical turning elements 62 a and the image-side optical turning elements 62 b are fixed relative to the fixing member.

The total number of lenses of the camera module 6 is Nt, the number of lenses of the first optical imaging lens group 632 is N1, and the number of lenses of the second optical imaging lens group 642 is N2, which satisfy the following conditions: N1=1; N2=3; Nt=6; N1<N2; and N1+N2<Nt, wherein the total number of lenses of the camera module 6 includes the single lens of the first optical imaging lens group 632 and the three lenses of the second optical imaging lens group 642 , also includes an object-side optical turning element 62a and an image-side optical turning element 62b with positive refractive power. It is worth noting that the lenses of the first optical imaging lens group 632 and the second optical imaging lens group 642 are only partially outlined in the figure, but the lens shapes drawn in the figure are not intended to limit the present invention.

The maximum viewing angle of the camera module 6 is FOV, which satisfies the following condition: FOV = 18.0 [degrees].

An imaging ray (not shown) generated near or far from the electronic device E6 can travel along the optical axis 601, pass through the object-side optical curved surface 602a, enter the object-side optical turning element 62a, and be reflected on the object-side reflective surface 621a Afterwards, it passes through the second optical imaging lens group 642 and the first optical imaging lens group 632 in sequence along the optical axis 601, and enters the image-side optical turning element 62b, and is reflected by the image-side reflective surface 621b before entering the electronic photosensitive element IS6. Since the first lens carrier 631 can be driven to move relative to the fixed member between the second lens carrier 641 and the image-side optical turning element 62b, no matter the imaging light from near or far away can be passed through the moved first lens carrier 641 An optical imaging lens group 632 is adjusted to focus on the imaging surface 603 to generate optical imaging information. The electronic photosensitive element IS6 can be driven by the optical image stabilization driver OIS to stably receive the optical imaging information, and convert the optical imaging information into electronic imaging information for subsequent image processing. It should be noted that the driving method of the optical image stabilization driver OIS of the present invention is not limited to what is disclosed in the figure.

<Seventh embodiment>

Please refer to FIG. 19 and FIG. 20 , wherein FIG. 19 shows a perspective view of one side of an electronic device according to a seventh embodiment of the present invention, and FIG. 20 shows a perspective view of the other side of the electronic device in FIG. 19 .

In this embodiment, the electronic device 7 is a smart phone. The electronic device 7 includes a plurality of camera modules, a flash module 71, a focus assist module 72, an image signal processor 73 (Image Signal Processor), a display module (user interface) 74, and an image software processor (not shown separately) Show).

These camera modules include a super wide-angle camera module 70a, a high-resolution camera module 70b, and a telephoto camera module 70c. Wherein, the telephoto camera module 70c is the camera module 1 of the first embodiment, but the present invention is not limited thereto, and the telephoto camera module 70c can also be, for example, the camera modules of other above-mentioned embodiments.

The super wide-angle camera module 70a has the function of accommodating multiple scenes. FIG. 21 shows a schematic diagram of capturing images with the ultra-wide-angle camera module 70a.

The high-resolution camera module 70b has high-resolution and low-distortion functions. The high-resolution camera module 70b can further capture a part of the image in FIG. 21 . FIG. 22 shows a schematic diagram of capturing images with the high-resolution camera module 70b.

The telephoto camera module 70c has a high magnification function. The telephoto camera module 70c can further capture a part of the image in FIG. 22 . FIG. 23 shows a schematic diagram of capturing images with the telephoto camera module 70c. Wherein, the maximum viewing angle (FOV) of the camera module 1 corresponds to the viewing angle of FIG. 23 .

When the user shoots a subject, the electronic device 7 uses the ultra-wide-angle camera module 70a, the high-resolution camera module 70b or the telephoto camera module 70c to focus and capture an image, activates the flashlight module 71 for supplementary light, and uses The object distance information provided by the focusing auxiliary module 72 is used for fast focusing, and the image signal processor 73 is used for image optimization processing to further improve the image quality produced by the camera module 1 and provide a zoom function at the same time . The focus assist module 72 can use infrared or laser focus assist system to achieve fast focusing. The display module 74 can use a touch screen to cooperate with the diversified functions of the image software processor to perform image shooting and image processing (or use a physical shooting button to shoot). The image processed by the image software processor can be displayed on the display module 74 .

<Eighth embodiment>

Please refer to FIG. 24 , which is a schematic perspective view of one side of an electronic device according to an eighth embodiment of the present invention.

In this embodiment, the electronic device 8 is a smart phone. The electronic device 8 includes the camera module 1 of the first embodiment, the camera module 80a, the camera module 80b, the camera module 80c, the camera module 80d, the camera module 80e, the camera module 80f, the camera module 80g, the camera Module 80h, flashlight module 81, image signal processor, display device, and image software processor (not shown separately). The camera module 1, the camera module 80a, the camera module 80b, the camera module 80c, the camera module 80d, the camera module 80e, the camera module 80f, the camera module 80g and the camera module 80h are all configured in the electronic device 8 on the same side, and the display device is configured on the other side of the electronic device 8 .

Camera module 1 is a telephoto camera module, camera module 80a is a telephoto camera module, camera module 80b is a telephoto camera module, camera module 80c is a telephoto camera module, and camera module 80d is a telephoto camera module. Wide-angle camera module, camera module 80e is a wide-angle camera module, camera module 80f is an ultra-wide-angle camera module, camera module 80g is an ultra-wide-angle camera module, and camera module 80h is a time-of-flight camera module ToF (Time of Flight, ToF) camera module. The camera module 1, camera module 80a, camera module 80b, camera module 80c, camera module 80d, camera module 80e, camera module 80f and camera module 80g of this embodiment have different viewing angles, so that The electronic device 8 can provide different magnifications to achieve the effect of optical zooming. In addition, the camera module 1 and the camera module 80a are telephoto camera modules configured with optical turning elements. In addition, the camera module 80h can obtain the depth information of the image. The above-mentioned electronic device 8 is exemplified by including multiple camera modules 1 , 80a, 80b, 80c, 80d, 80e, 80f, 80g, and 80h, but the number and configuration of the camera modules are not intended to limit the present invention. When the user shoots a subject, the electronic device 8 utilizes the camera module 1, the camera module 80a, the camera module 80b, the camera module 80c, the camera module 80d, the camera module 80e, the camera module 80f, the camera module The group 80g or the camera module 80h gathers the light to take an image, activates the flashlight module 81 to fill in the light, and performs subsequent processing in a manner similar to the foregoing embodiments, which will not be repeated here.

The camera module of the present invention is not limited to be applied to smart phones. The camera module can be applied to the mobile focus system according to the needs, and has the characteristics of excellent aberration correction and good imaging quality. For example, the camera module can be widely used in three-dimensional (3D) image capture, digital cameras, mobile devices, digital tablets, smart TVs, network monitoring equipment, driving recorders, reverse development devices, multi-lens devices, In electronic devices such as identification systems, somatosensory game consoles and wearable devices. The electronic device disclosed above is only an example to illustrate the practical application of the present invention, and does not limit the scope of application of the camera module of the present invention.

Although the present invention is disclosed above with the foregoing embodiments, it is not intended to limit the present invention. Any person familiar with similar skills may make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of patent protection for inventions shall be defined in the scope of patent application attached to this specification.

E1, E2, E3, E6, 7, 8 … Electronics IS1, IS2, IS3, IS6 … electronic photosensitive element 1, 2, 3, 6, 70a, 70b, 70c, 80a, 80b, 80c, 80d, 80e, 80f, 80g, 80h ... Camera Module 101, 201, 301, 601 … optical axis 102, 202, 302, 402, 502 … optical curved surface 602a … Optical surface on the object side 602b … Optical curved surface on the image side 103, 203, 303, 603 … imaging surface 11, 21, 31 … fixing parts 111, 311 ... base 112, 312 … Shell 12, 22, 32, 42, 52 … Optical turning elements 62a … Object-side optical turning element 62b … Image side optical turning element 121, 221, 321 ... reflective surface 621a … reflective surface on the object side 621b … image side reflective surface 13, 33, 63 ... the first imaging unit 131, 231, 331, 631 ... first lens carrier 132, 232, 332, 632 ... the first optical imaging lens group 133 … fixing ring 14, 34, 64 ... the second imaging unit 141, 241, 641 … second lens carrier 142, 242, 342, 642 ... the second optical imaging lens group 15 ... the first drive unit 151, 351 ... the first driving magnet 152 ... the first driving coil 153, 253, 353 … position sensing element 16 ... the second drive unit 161 ... the second driving magnet 162 ... the second driving coil 163 ... Carrier of optical turning element 164 … Supports 165 ... Elastic connectors 17 ... sphere 18 ... circuit components 30 ... Positive lens 39 ... the third imaging unit 391 ... the third lens carrier 392 ... The third optical imaging lens group 71, 81 … Flash module 72 ... Focus assist module 73 ... Image signal processor 74 … … display module AA ... Direction AM … Adhesive material GT … injection marks GP … Glass 稜 OIS … Optical Image Stabilization Driver PL, PL’ … plastic lens PP …  Plastic 稜 P1, P2 ... position DH ... the distance between the respective center positions of the two position sensing elements in the direction parallel to the optical axis D ... the movable distance of the first lens carrier along the optical axis relative to the fixed part FOV … the maximum viewing angle of the camera module L ... the total length of the first lens carrier in the direction of the optical axis N1 ... the number of lenses in the first optical imaging lens group N2 ... the number of lenses in the second optical imaging lens group N3 ... the number of lenses in the third optical imaging lens group Nt ... the total number of lenses in the camera module

FIG. 1 is a schematic perspective view of an electronic device according to a first embodiment of the present invention. FIG. 2 is an exploded schematic view of the electronic device shown in FIG. 1 . FIG. 3 is an exploded schematic diagram showing another viewing angle of the electronic device in FIG. 1 . FIG. 4 is a side cross-sectional view of the electronic device shown in FIG. 1 . FIG. 5 is a schematic diagram illustrating the position of the camera module of the electronic device in FIG. 4 when focusing on a short distance. FIG. 6 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 4 when focusing on the far distance. FIG. 7 is a schematic diagram illustrating the relationship between the first driving magnet and the position sensing element of the electronic device in FIG. 1 . FIG. 8 is a side cross-sectional view of an electronic device according to a second embodiment of the present invention. FIG. 9 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 8 when focusing on a short distance. FIG. 10 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 8 when focusing on the far distance. FIG. 11 is a schematic diagram illustrating the relationship between the first driving magnet and the position sensing element of the electronic device in FIG. 8 . FIG. 12 is a side sectional view of an electronic device according to a third embodiment of the present invention. FIG. 13 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 12 when focusing on a short distance. FIG. 14 is a schematic diagram showing the position of the camera module of the electronic device in FIG. 12 when focusing on the far distance. FIG. 15 is a schematic diagram illustrating the relationship between the first driving magnet and the position sensing element of the electronic device shown in FIG. 12 . FIG. 16 is a side view of an optical turning element of an electronic device according to a fourth embodiment of the present invention. FIG. 17 is a side view of an optical turning element of an electronic device according to a fifth embodiment of the present invention. FIG. 18 is a side sectional view of an electronic device according to a sixth embodiment of the present invention. FIG. 19 is a schematic perspective view of one side of an electronic device according to a seventh embodiment of the present invention. FIG. 20 is a schematic perspective view of another side of the electronic device of FIG. 19 . FIG. 21 shows a schematic diagram of capturing images with a super wide-angle camera module. FIG. 22 shows a schematic diagram of capturing images with a high-resolution camera module. FIG. 23 shows a schematic diagram of capturing images with the telephoto camera module. FIG. 24 is a schematic perspective view of one side of an electronic device according to an eighth embodiment of the present invention.

E1 … Electronic devices IS1 … Electronic photosensitive element 1 … … camera module 101 … Optical axis 102 … Optical curved surface 103 … Imaging surface 11 ... Fixing parts 111 ... base 112 … Housing 12 ... Optical turning element 121 … reflective surface 13 ... the first imaging unit 131 ... the first lens carrier 132 ... the first optical imaging lens group 133 … fixing ring 14 ... the second imaging unit 141 … Second lens carrier 142 ... the second optical imaging lens group 16 ... the second drive unit 17 ... sphere

Claims (19)

A camera module has an optical axis and an optical curved surface, the optical axis passes through the optical curved surface, and the camera module includes: a fixing part; an optical turning element arranged on the fixing piece, wherein the optical turning element has A reflective surface, the reflective surface is used to deflect the optical axis, and the optical curved surface is arranged on the object side of the reflective surface; a first imaging unit is arranged on the image side of the optical deflection element, wherein the first imaging unit includes A first lens carrier and a first optical imaging lens group, and the first optical imaging lens group is accommodated in the first lens carrier; a second imaging unit is arranged between the optical turning element and the first imaging unit Between the first lens carrier, wherein the second imaging unit includes a second lens carrier and a second optical imaging lens group, the second lens carrier is fixed on the fixing member, and the second optical imaging lens group contains placed in the second lens carrier; and a first driving device, which drives the first lens carrier to move relative to the fixing member along the optical axis, and the first driving device includes: two first driving magnets, arranged on the The first lens carrier, and the two first driving magnets are arranged symmetrically to the optical axis; and the two first driving coils are corresponding to the two first driving magnets, and the two first driving coils are arranged symmetrically to the optical axis; wherein , the optical curved surface is the object-side surface of the optical turning element, and the optical turning element has positive refractive power due to the optical curved surface; Wherein, the number of lenses of the first optical imaging lens group is N1, the number of lenses of the second optical imaging lens group is N2, and the total number of lenses of the camera module is Nt, which satisfies the following conditions: N1<N2; and N1 +N2<Nt. The camera module as described in Claim 1, wherein the movable distance of the first lens carrier relative to the fixing member along the optical axis is D, which satisfies the following condition: 0.2 [mm]

D.

2.0 [mm]. The camera module as described in claim 2, wherein the movable distance of the first lens carrier along the optical axis relative to the fixing member is D, which satisfies the following condition: 0.4 [mm]

D.

1.5 [mm]. The camera module as described in claim 2, further comprising a sphere, wherein the sphere is arranged between the first lens carrier and the fixing part, and the first lens carrier is arranged on the fixing part by the support of the sphere on file. The camera module according to claim 1, wherein the number of lenses in the first optical imaging lens group is less than or equal to two. The camera module according to claim 1 further comprises a second driving device, wherein the second driving device drives the optical turning element to rotate relative to the fixing member. The camera module as described in claim 1, wherein the maximum viewing angle of the camera module is FOV, which satisfies the following conditions: 1 [degree]

FOV

40 degree]. The camera module according to claim 1, wherein the total length of the first lens carrier in the direction of the optical axis is L, which satisfies the following condition: 1.0 [mm]<L<4.0 [mm]. A camera module has an optical axis and an optical curved surface, the optical axis passes through the optical curved surface, and the camera module includes: a fixing part; an optical turning element arranged on the fixing piece, wherein the optical turning element has A reflective surface, the reflective surface is used to deflect the optical axis, and the optical curved surface is arranged on the object side of the reflective surface; a first imaging unit is arranged on the image side of the optical deflection element, wherein the first imaging unit includes A first lens carrier and a first optical imaging lens group, and the first optical imaging lens group is accommodated in the first lens carrier; a second imaging unit is arranged between the optical turning element and the first imaging unit Between the first lens carrier, wherein the second imaging unit includes a second lens carrier and a second optical imaging lens group, the second lens carrier is fixed on the fixing member, and the second optical imaging lens group contains placed in the second lens carrier; and a first driving device, including: a first driving magnet, arranged on the first lens carrier; a first driving coil, corresponding to the first driving magnet, so that the first lens carrier can move relative to the fixing member along the optical axis; and at least two position sensing elements, corresponding to the first lens carrier; wherein , the distance between the center positions of the at least two position sensing elements in the direction parallel to the optical axis is DH, and the movable distance of the first lens carrier along the optical axis relative to the fixing member is D , the number of lenses of the first optical imaging lens group is N1, the number of lenses of the second optical imaging lens group is N2, and the total number of lenses of the camera module is Nt, which satisfies the following conditions: 0.3<DH/D<9 ; N1<N2; and N1+N2<Nt. The camera module as described in Claim 9, wherein the movable distance of the first lens carrier relative to the fixing member along the optical axis is D, which satisfies the following condition: 0.2 [mm]

D.

2.0 [mm]. The camera module as described in Claim 10, wherein the movable distance of the first lens carrier relative to the fixing member along the optical axis is D, which satisfies the following condition: 0.4 [mm]

D.

1.5 [mm]. The camera module as described in Claim 10, further comprising a positive lens, wherein the positive lens is arranged on the object side of the optical turning element, and the optical curved surface is one of the object-side surface and the image-side surface of the positive lens . The camera module as described in claim 9, further comprising a sphere, wherein the sphere is arranged between the first lens carrier and the fixing member, and the first lens carrier is arranged on the fixing member by the support of the sphere on file. The camera module as described in Claim 9, wherein the distance between the center positions of the at least two position sensing elements in the direction parallel to the optical axis is DH, which satisfies the following conditions: 0.37 [mm ]<DH<4.5[mm]. The camera module as described in Claim 9, wherein the number of the first driving magnet and the first driving coil is two, the two first driving magnets are arranged symmetrically to the optical axis, and the two first driving coils Set symmetrically about the optical axis. The camera module as claimed in claim 15, wherein the number of the at least two position sensing elements is two, and the two position sensing elements correspond to the two first driving magnets respectively. The camera module as claimed in claim 9, wherein the number of the at least two position sensing elements is three, and the three position sensing elements respectively correspond to three sides of the first driving magnet. The camera module according to claim 9, wherein the number of lenses in the first optical imaging lens group is less than or equal to two. An electronic device, comprising: the camera module as described in claim 9; and an electronic photosensitive element disposed on an imaging surface of the camera module.

Images